code: def replace_label_selector(self):
      self.check_config()
      label_selectors_dict = self.spec["selector"]["labelSelectors"]
      label_selector = next(iter(label_selectors_dict.items()))
      label_selector_value = label_selector[1]
      # pods = utils.list_pod_for_namespace(label_selector[0] + "=" + label_selector_value)
      pods = utils.list_pod_for_namespace()
      real_label_selector_value = list(
          map(
              lambda pod: pod,
              filter(lambda pod: label_selector_value in pod, pods),
          )
      )[0]
      self.spec["selector"]["labelSelectors"].update(
          {label_selector[0]: real_label_selector_value}
      )
  
file_path: milvus/tests/benchmark/milvus_benchmark/chaos/chaos_mesh.py
imports: import logging
  import os
  from yaml import full_load
  from milvus_benchmark.chaos import utils
label_desc: Use image node_id 4 for calling the BaseChaos obj's underlying member method code with example usage: obj.replace_label_selector() without return types